Betta fish are one of the most popular aquarium fish in the world. Here is what to know about bettas, including how long they ...

Freshwater prawns are known for having succulent tail meat with a firm, lobster like, texture and sweet flavor. Where do the freshwater prawn I eat come from? Macrobrachium rosenbergii are tropical ...

Despite having ‘fish’ in their name, Freshwater Crayfish are ... algae eaters a popular choice in many aquariums. These peaceful tank pals can live for up to four years and are known (and ...

This story appears in the April 2017 issue of National Geographic magazine. Hundreds of millions of people worldwide would lack their prime source of protein without freshwater fish. Yet the lakes ...

A report has warned of a "catastrophic" decline in freshwater fish, with nearly a third threatened by extinction. Conservation groups said 80 species were known to have gone extinct, 16 in the ...

Betta, or Siamese fighting fish, are one of the most popular aquarium fish in the world. Originating from southeast Asia, betta fish are known for their diverse range of colors with over 70 different ...

A 300kg (661lb) stingray caught in the Mekong river in Cambodia is the biggest freshwater fish ever documented, scientists say. It unseated the previous record-holder, a 646lb (293kg) Mekong giant ...